Clinical motor electroneurography : evoked responses beyond the M-wave ectopic activity
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書誌事項
Clinical motor electroneurography : evoked responses beyond the M-wave ectopic activity
Elsevier Science B.V., c2000
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注記
Includes index
内容説明・目次
内容説明
Gathered in this volume are the personal results of conventional electroneuromyographic examinations performed by the author during a 30 year period of clinical practice in an EMG Unit. Current opinions and personal views are expressed on various topics. In 25 separate chapters the different motor potentials, often evoked between the M-wave and F-wave, are investigated. These responses, like coupled or paired discharge, indirect discharge, etc., are extensively studied and described. Some of them may be considered as 'orphan', as most physicians do not get concerned about them. Although they are observed in daily clinical electroneuromyography, some of them are poorly understood and rarely investigated or documented. Several of the described potentials, however, are related to the regeneration and reinnervation process and therefore of high clinical interest. The characteristics of these various responses are illustrated by 400 figures. Among the latter, 54 models are presented, proposing possible underlying pathways and mechanisms of such responses as the ephaptic response, the heteronymous axon reflex or the heteronymous thenar H-reflex, etc.
They show that different responses may be the expression of the same anatomical structure. Practical simple tests for the rapid identification of these potentials are shown and their clinical utility is underlined. Priority is given to the study of single motor units and the double stimulation method. No special equipment is needed for these tests. Given the relative lack of illustration of these responses in the current electroneurographic literature, the author tried to present a large number of examples for each different type of response. An extended subject index and 950 references divided into the 25 chapters are added. The book was written for Electrodiagnosticians and Neurologists with clinical or research interest in peripheral nerve pathology and the various chapters may be consulted independently. Some views expressed in this publication may encourage new researchers in the field of peripheral nerve pathology and also, paradoxically, could interest the physicians who are working on spinal cord grafting.
目次
Acknowledgements. Foreword. About contents. Chapter 1. Methods. Chapter 2. Reinnervation - regeneration - generalities. Chapter 3. Axon reflex (AR). Chapter 4. Heteronymous axon reflex (HAR). Branches of a single axon control sub-MUs in different muscles. Chapter 5. 'A-wave': axon reflex or indirect discharge?. Chapter 6. Axon reflex (AR) versus ephaptic response (ER). Chapter 7. Obstetrical brachial plexus palsy (OPP). Chapter 8. Facial nerve reinnervation. Chapter 9. Late potential (LP). Chapter 10. Paired discharge (PD). Chapter 11. Coupled discharge (CD). Chapter 12. Ectopic discharges - generalities. Chapter 13. Fasciculation potential (FP). Chapter 14. Ephaptic response (ER). Chapter 15. Direct double and multiple discharges. Chapter 16. Indirect double discharge (IDD) and multiple discharge (IMD). Chapter 17. Myokymic discharge. Chapter 18. Self-ephaptic low frequency discharge (LFD) of a MU. Chapter 19. High frequency discharge of a sub-MU. Chapter 20. Peripheral myoclonus. Chapter 21. F-wave. Chapter 22. Heteronymous H-reflex (HH-reflex). Chapter 23. Conduction block (CB). Chapter 24. Motor axon loop versus pathological ephapse. Chapter 25. Muscle geometry and muscle action potential. Subject Index.
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